Steel
4 inches, 5 inches, 6 inches, 8 inches, 12 inches
Product Name: Wafer Frame
06-inch outer diameter: 228mm inner diameter: 194mm thick 1.2mm
08-inch outer diameter: 276mm inner diameter: 250mm thick 1.2mm
12-inch outer diameter: 400mm inner diameter: 350mm thick 1.5mm
Note:1. Material: SUS420J2
2. Surface treatment: Mechanical polishing, bright surface Ra<0.15um, matte surface Ra<0.3um
3. Hardness treatment: HRC40~55
4. Tolerance: 0.5mm
5. Angle tolerance: 0°30”
6. Flatness tolerance: <0.2mm
